Question 1

What will be the value of result after the following code is executed?

var str = "The quick brown fox";

var result = str.replace(/[aeiou]/gi, '*');

Options :

A : "Th* qck brwn fx"

B : "Th* quck brwn fx"

C : "Th qck brwn fx."

D : Th* q**ck br*wn f*x

Answer: D

Question 2

What will be the value of result after the following code is executed?

var num1 = 10;

var num2 = 20;

var result = (num2 === 20) ? "yes" : "no";

Options :

A : 10

B : 20

C : "yes"

D : "no"

Answer: C

Question 3

What is the output of the following code?

const add = (a, b) => a + b;

const double = n => add(n, n);

console.log(double(3));

Options :

A : 6

B : 9

C : 12

D : 15

Answer: A

Question 4

What will be the output of the following code?

const a = { x: 1 };

const b = { y: 2 };

const c = { ...a, b, z: 3 };

console.log(c);

Options :

A : { x: 1, y: 2, z: 3}

B : { y: 2 }

C : {x: 1, b: { y: 2 }, z: 3}

D : undefined

Answer: C

Question 5

The shape object can be converted to JSON format using the built-in command:

Options :

A : JSON.parse(shape);

B : JSON.stringify(shape);

C : JSON(shape);

D : shape.toJSON();

Answer: B

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